Two more options to sort by, last aired episode and completion

Last aired episode
I believe that the “Air Date” option uses the date when the first episode (S01E01) of a show aired. I would like an option to sort by “Last episode air date”. Hopefully that makes sense. :)

Completion %

It would be great to be able to sort by a shows total completion percent.

I would use these specifically on the Progress page, but they probably could be useful on other pages aswell.